一种高可靠长寿命阴极

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Abstract In this paper, a highly reliable and long life cathode is described. The emission cur-rent density of the cathode is higher than 400 mA/cm²at 730℃, and has a value of 50-70 mA/cm² at 550℃. The life of the cathode under different conditions is over than 60000 hrs. The result of oxygen poisoning test is also given.

Received: 01 July 1981

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	Articles by authors
	Liao Xian-Heng
	Huang Hui-Fen
	Tang Bian-Yu
	Wan Xiao-Wen

Cite this article:

Liao Xian-Heng,Huang Hui-Fen,Tang Bian-Yu等. A HIGHLY RELIABLE AND LONG LIFE CATHODE[J]. , 1982, 4(1): 69-70.

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http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y1982/V4/I1/69